hledger/tests/94.test

# issue 94: total balance should be that of top-level accounts, with and without --flat
# 1. 
hledgerdev -f - balance
<<<
1/1
    (a)     1

1/1
    (a:aa)  1
>>>
                   2  a
                   1    aa
--------------------
                   2
>>>= 0

# 2. 
hledgerdev -f - balance --flat
<<<
1/1
    (a)     1

1/1
    (a:aa)  1
>>>
                   2  a
                   1  a:aa
--------------------
                   2
>>>= 0